Document.caretRangeFromPoint()
Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The caretRangeFromPoint()
method of the Document
interface returns a Range object for the document fragment under the specified coordinates.
Syntax
JavaScript
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var range = document.caretRangeFromPoint(float x, float y);
Returns
One of the following:
- A
Range
. Null
, if x or y are negative, outside viewport, or there is no text entry node.
Parameters
- x
- A horizontal position within the current viewport.
- y
- A vertical position within the current viewport.
Example
Basic demo: When clicking in a paragraph insert a line break at the caret position:
HTML Content
HTML
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<p>Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet.</p>
JavaScript Content
JavaScript
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function insertBreakAtPoint(e) { var range; var textNode; var offset; if (document.caretPositionFromPoint) { range = document.caretPositionFromPoint(e.clientX, e.clientY); textNode = range.offsetNode; offset = range.offset; } else if (document.caretRangeFromPoint) { range = document.caretRangeFromPoint(e.clientX, e.clientY); textNode = range.startContainer; offset = range.startOffset; } // only split TEXT_NODEs if (textNode.nodeType == 3) { var replacement = textNode.splitText(offset); var br = document.createElement('br'); textNode.parentNode.insertBefore(br, replacement); } } var paragraphs = document.getElementsByTagName("p"); for (i=0 ; i < paragraphs.length; i++) { paragraphs[i].addEventListener("click", insertBreakAtPoint, false); }
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Edge | Opera | Safari (WebKit) |
---|---|---|---|---|---|---|
Basic support | 43.0 | ? | No support | 12 | 15+ | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | No support | 43.0 | ? | ? | ? | ? | ? |
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/document/caretrangefrompoint